A machine gun of mass 10 kg fires |CENTREOFMASSJEEMAIN2023

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JEE MAIN 2023

30-01-2023 S2

Question

A machine gun of mass 10 kg fires 20 g bullets at the rate of 180 bullets per minute with a speed of 100 m s : each. The recoil velocity of the gun is :

Select the correct option:

A

0.02m/s

B

2.5 m/s

C

1.5 m/s

D

0.6 m/s

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

20 × 10–3 × × 100 = 10 V
v = 0.6 m/s

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Physics

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